Esempio n. 1
0
func streamPathToBuild(repo git.Repository, in io.Reader, out io.Writer, client osclient.BuildConfigInterface, fromDir, fromFile, fromRepo string, options *buildapi.BinaryBuildRequestOptions) (*buildapi.Build, error) {
	count := 0
	asDir, asFile, asRepo := len(fromDir) > 0, len(fromFile) > 0, len(fromRepo) > 0
	if asDir {
		count++
	}
	if asFile {
		count++
	}
	if asRepo {
		count++
	}
	if count > 1 {
		return nil, fmt.Errorf("only one of --from-file, --from-repo, or --from-dir may be specified")
	}

	if asRepo && !git.IsGitInstalled() {
		return nil, fmt.Errorf("cannot find git. Git is required to start a build from a repository. If git is not available, use --from-dir instead.")
	}

	var r io.Reader
	switch {
	case fromFile == "-":
		return nil, fmt.Errorf("--from-file=- is not supported")

	case fromDir == "-":
		br := bufio.NewReaderSize(in, 4096)
		r = br
		if !isArchive(br) {
			fmt.Fprintf(out, "WARNING: the provided file may not be an archive (tar, tar.gz, or zip), use --from-file=- instead\n")
		}
		fmt.Fprintf(out, "Uploading archive file from STDIN as binary input for the build ...\n")

	default:
		var fromPath string
		switch {
		case asDir:
			fromPath = fromDir
		case asFile:
			fromPath = fromFile
		case asRepo:
			fromPath = fromRepo
		}

		clean := filepath.Clean(fromPath)
		path, err := filepath.Abs(fromPath)
		if err != nil {
			return nil, err
		}

		stat, err := os.Stat(path)
		if err != nil {
			return nil, err
		}
		if stat.IsDir() {
			commit := "HEAD"
			if len(options.Commit) > 0 {
				commit = options.Commit
			}

			info, gitErr := gitRefInfo(repo, path, commit)

			if gitErr == nil {
				options.Commit = info.GitSourceRevision.Commit
				options.Message = info.GitSourceRevision.Message
				options.AuthorName = info.GitSourceRevision.Author.Name
				options.AuthorEmail = info.GitSourceRevision.Author.Email
				options.CommitterName = info.GitSourceRevision.Committer.Name
				options.CommitterEmail = info.GitSourceRevision.Committer.Email
			} else {
				glog.V(6).Infof("Unable to read Git info from %q: %v", clean, gitErr)
			}

			// NOTE: It's important that this stays false unless we change the
			// path to something else, otherwise we will delete whatever path the
			// user provided.
			var usedTempDir bool = false
			var tempDirectory string = ""

			if asRepo {

				var contextDir string = ""
				fmt.Fprintf(out, "Uploading %q at commit %q as binary input for the build ...\n", clean, commit)
				if gitErr != nil {
					return nil, fmt.Errorf("the directory %q is not a valid Git repository: %v", clean, gitErr)
				}

				// If the user doesn't give us the root directory of the Git repo,
				// we still want the command to work. However, as this may be
				// unintended, we warn them.
				if gitRootDir, err := repo.GetRootDir(path); filepath.Clean(gitRootDir) != filepath.Clean(path) && err == nil {
					fmt.Fprintf(out, "WARNING: Using root dir %s for Git repository\n", gitRootDir)
					contextDir, _ = filepath.Rel(gitRootDir, path)
					path = gitRootDir
				}

				// Create a temp directory to move the repo contents to
				tempDirectory, err := ioutil.TempDir(os.TempDir(), "oc_cloning_"+options.Commit)
				if err != nil {
					return nil, err
				}

				// We only want to grab the contents of the specified commit, with
				// submodules included
				cloneOptions := []string{"--recursive"}
				if verbose := glog.V(3); !verbose {
					cloneOptions = append(cloneOptions, "--quiet")
				}

				// Clone the repository to a temp directory for future tar-ing
				if err := repo.CloneWithOptions(tempDirectory, path, cloneOptions...); err != nil {
					return nil, err
				}
				if err := repo.Checkout(tempDirectory, commit); err != nil {
					return nil, err
				}

				// We'll continue to use tar on the temp directory
				path = filepath.Join(tempDirectory, contextDir)

				usedTempDir = true

			} else {
				fmt.Fprintf(out, "Uploading directory %q as binary input for the build ...\n", clean)
			}

			pr, pw := io.Pipe()
			go func() {
				w := gzip.NewWriter(pw)
				if err := tar.New().CreateTarStream(path, false, w); err != nil {
					pw.CloseWithError(err)
				} else {
					w.Close()
					pw.CloseWithError(io.EOF)
				}

				if usedTempDir {
					os.RemoveAll(tempDirectory)
				}
			}()
			r = pr

		} else {
			f, err := os.Open(path)
			if err != nil {
				return nil, err
			}
			defer f.Close()

			r = f

			if asFile {
				options.AsFile = filepath.Base(path)
				fmt.Fprintf(out, "Uploading file %q as binary input for the build ...\n", clean)
			} else {
				br := bufio.NewReaderSize(f, 4096)
				r = br
				if !isArchive(br) {
					fmt.Fprintf(out, "WARNING: the provided file may not be an archive (tar, tar.gz, or zip), use --as-file\n")
				}
				fmt.Fprintf(out, "Uploading archive file %q as binary input for the build ...\n", clean)
			}
		}
	}
	return client.InstantiateBinary(options, r)
}
Esempio n. 2
0
func streamPathToBuild(repo git.Repository, in io.Reader, out io.Writer, client osclient.BuildConfigInterface, fromDir, fromFile, fromRepo string, options *buildapi.BinaryBuildRequestOptions) (*buildapi.Build, error) {
	count := 0
	asDir, asFile, asRepo := len(fromDir) > 0, len(fromFile) > 0, len(fromRepo) > 0
	if asDir {
		count++
	}
	if asFile {
		count++
	}
	if asRepo {
		count++
	}
	if count > 1 {
		return nil, fmt.Errorf("only one of --from-file, --from-repo, or --from-dir may be specified")
	}

	if asRepo && !git.IsGitInstalled() {
		return nil, fmt.Errorf("cannot find git. Git is required to start a build from a repository. If git is not available, use --from-dir instead.")
	}

	var r io.Reader
	switch {
	case fromFile == "-":
		return nil, fmt.Errorf("--from-file=- is not supported")

	case fromDir == "-":
		br := bufio.NewReaderSize(in, 4096)
		r = br
		if !isArchive(br) {
			fmt.Fprintf(out, "WARNING: the provided file may not be an archive (tar, tar.gz, or zip), use --from-file=- instead\n")
		}
		fmt.Fprintf(out, "Uploading archive file from STDIN as binary input for the build ...\n")

	default:
		var fromPath string
		switch {
		case asDir:
			fromPath = fromDir
		case asFile:
			fromPath = fromFile
		case asRepo:
			fromPath = fromRepo
		}

		clean := filepath.Clean(fromPath)
		path, err := filepath.Abs(fromPath)
		if err != nil {
			return nil, err
		}

		stat, err := os.Stat(path)
		if err != nil {
			return nil, err
		}
		if stat.IsDir() {
			commit := "HEAD"
			if len(options.Commit) > 0 {
				commit = options.Commit
			}
			info, gitErr := gitRefInfo(repo, clean, commit)
			if gitErr == nil {
				options.Commit = info.GitSourceRevision.Commit
				options.Message = info.GitSourceRevision.Message
				options.AuthorName = info.GitSourceRevision.Author.Name
				options.AuthorEmail = info.GitSourceRevision.Author.Email
				options.CommitterName = info.GitSourceRevision.Committer.Name
				options.CommitterEmail = info.GitSourceRevision.Committer.Email
			} else {
				glog.V(6).Infof("Unable to read Git info from %q: %v", clean, gitErr)
			}

			if asRepo {
				fmt.Fprintf(out, "Uploading %q at commit %q as binary input for the build ...\n", clean, commit)
				if gitErr != nil {
					return nil, fmt.Errorf("the directory %q is not a valid Git repository: %v", clean, gitErr)
				}
				pr, pw := io.Pipe()
				go func() {
					if err := repo.Archive(clean, options.Commit, "tar.gz", pw); err != nil {
						pw.CloseWithError(fmt.Errorf("unable to create Git archive of %q for build: %v", clean, err))
					} else {
						pw.CloseWithError(io.EOF)
					}
				}()
				r = pr

			} else {
				fmt.Fprintf(out, "Uploading directory %q as binary input for the build ...\n", clean)

				pr, pw := io.Pipe()
				go func() {
					w := gzip.NewWriter(pw)
					if err := tar.New().CreateTarStream(path, false, w); err != nil {
						pw.CloseWithError(err)
					} else {
						w.Close()
						pw.CloseWithError(io.EOF)
					}
				}()
				r = pr
			}
		} else {
			f, err := os.Open(path)
			if err != nil {
				return nil, err
			}
			defer f.Close()

			r = f

			if asFile {
				options.AsFile = filepath.Base(path)
				fmt.Fprintf(out, "Uploading file %q as binary input for the build ...\n", clean)
			} else {
				br := bufio.NewReaderSize(f, 4096)
				r = br
				if !isArchive(br) {
					fmt.Fprintf(out, "WARNING: the provided file may not be an archive (tar, tar.gz, or zip), use --as-file\n")
				}
				fmt.Fprintf(out, "Uploading archive file %q as binary input for the build ...\n", clean)
			}
		}
	}
	return client.InstantiateBinary(options, r)
}
Esempio n. 3
0
func checkGitInstalled(w io.Writer) {
	if !git.IsGitInstalled() {
		fmt.Fprintf(w, "warning: Cannot find git. Ensure that it is installed and in your path. Git is required to work with git repositories.\n")
	}
}